Rusia tuvo que retirarse en el 1916 a causa de una revolución. cierto o falsooo

During the paleolithic, hominins grouped together in small societies such as bands, and subsisted by gathering  plants  and fishing, hunting or scavenging wild  animals. the paleolithic is characterized by the use of knapped stone tools, although at the time humans also used  wood  and bone tools.

Basically create a schedule on what you need to study and stick with it